feat!: Added limit field to quests

- Bump version to 0.12.0
- lib: Changed Quest::complete_for_account behavior
- cli: Added limit field for quest create and quest update
- discord: Quests are checked for limit on /answer
- discord: Added limit field for /quest create and /quest update
- discord: Changed behavior of fetch_or_init_account

Cargo.lock

@@ -2140,7 +2140,7 @@ checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
 [[package]]
 name = "squad-quest"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "serde",
  "toml 0.9.10+spec-1.1.0",
@@ -2148,7 +2148,7 @@ dependencies = [
 
 [[package]]
 name = "squad-quest-cli"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "chrono",
  "clap",
@@ -2159,7 +2159,7 @@ dependencies = [
 
 [[package]]
 name = "squad-quest-discord"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "chrono",
  "clap",